package com.cos.shop.test;

/**
 * @author: COS
 * @time: 2022/2/23 14:01
 * @description:
 */
public class B extends A {


    @Override
    public void test() {
        super.test();
        System.out.println("这个是a");
        System.out.println(this);
    }

    public static void main(String[] args) {

        B b = new B();
        System.out.println(b);
        b.test();
    }
}
